clear corpora if switching to analysis with lesser multiplicity"
clear corpora if switching to analysis with lesser multiplicity"

In the case where a user picks an analysis and a few corpora to
analyze, and then goes back and chooses an analysis that can only
take a single corpus, the list is cleared and the user is prompted
to only select one corpus

rigatoni/linguine-node,rigatoni/linguine-node,Pastafarians/linguine-node,Pastafarians/linguine-node